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County ZIP codes · Minnesota · FIPS 27013

Blue Earth County, MN ZIP Codes

Blue Earth County, Minnesota has 20 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 19 residential and 1 for PO boxes or a single organization. 12 of the residential ones lie mainly in Blue Earth County and 7 mainly in a neighboring county; 11 cross the county line. Median household income ranges from $69,531 in 56001 (Mankato) to $102,391 in 56063 (Madison Lake) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Blue Earth County?

56001 · Mankato: $70k56010 · Amboy: $80k56024 · Eagle Lake: $95k56034 · Garden City: $99k56037 · Good Thunder: $79k56041 · Hanska: $81k56048 · Janesville: $86k56050 · Kasota: $90k56055 · Lake Crystal: $91k56060 · Lewisville: $80k56062 · Madelia: $77k56063 · Madison Lake: $102k56065 · Mapleton: $93k56068 · Minnesota Lake: $74k56073 · New Ulm: $70k56078 · Pemberton: $80k56080 · Saint Clair: $105k56088 · Truman: $71k56090 · Vernon Center: $74k56073560485606256001560555606556088560415606856010560375609056063560345607856060560505602456001 · Mankato: $70k56010 · Amboy: $80k56024 · Eagle Lake: $95k56034 · Garden City: $99k56037 · Good Thunder: $79k56041 · Hanska: $81k56048 · Janesville: $86k56050 · Kasota: $90k56055 · Lake Crystal: $91k56060 · Lewisville: $80k56062 · Madelia: $77k56063 · Madison Lake: $102k56065 · Mapleton: $93k56068 · Minnesota Lake: $74k56073 · New Ulm: $70k56078 · Pemberton: $80k56080 · Saint Clair: $105k56088 · Truman: $71k56090 · Vernon Center: $74k56073560485606256001560555606556088560415606856010560375609056063560345607856060560505602456001 · Mankato: $70k56010 · Amboy: $80k56024 · Eagle Lake: $95k56034 · Garden City: $99k56037 · Good Thunder: $79k56041 · Hanska: $81k56048 · Janesville: $86k56050 · Kasota: $90k56055 · Lake Crystal: $91k56060 · Lewisville: $80k56062 · Madelia: $77k56063 · Madison Lake: $102k56065 · Mapleton: $93k56068 · Minnesota Lake: $74k56073 · New Ulm: $70k56078 · Pemberton: $80k56080 · Saint Clair: $105k56088 · Truman: $71k56090 · Vernon Center: $74k560735604856062560015605556065560885604156068560105603756090560635603456060
The residential ZIP codes of Blue Earth County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $74,250 and $90,000.

They carry 19 postal town names.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 19 residential ZIP codes in Blue Earth County

12 ZIP codes lie mainly in Blue Earth County; 7 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Blue Earth County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
56001 Mankato 51,585 450 $70k $277k 100%
56055 Lake Crystal 3,898 33 $91k $226k 100%
56024 Eagle Lake 3,647 197 $95k $286k 100%
56063 Madison Lake 3,221 80 $102k $416k 60%
56065 Mapleton 2,766 24 $93k $223k 97%
56037 Good Thunder 1,374 19 $79k $258k 100%
56010 Amboy 1,159 14 $80k $168k 100%
56068 Minnesota Lake 1,041 16 $74k $192k 41%
56080 Saint Clair 672 1,520 $105k $215k 100%
56090 Vernon Center 596 14 $74k $189k 100%
56078 Pemberton 451 18 $80k $200k 50%
56034 Garden City 393 14 $99k $191k 100%

Partly in Blue Earth County

Residential ZIP codes mainly in another county that reach at least 1% into Blue Earth County, by their share here
In this county
56062 Madelia 3,234 26 $77k $183k 29%
56048 Janesville 4,025 33 $86k $239k 24%
56050 Kasota 1,306 56 $90k $343k 10%
56088 Truman 2,071 17 $71k $153k 8%
56073 New Ulm 17,339 86 $70k $219k 6%
56060 Lewisville 400 11 $80k $102k 6%
56041 Hanska 1,039 14 $81k $198k 1%

Download the 20 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

11 ZIP codes of Blue Earth County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Blue Earth County and in the neighboring counties
ZIPIn Blue EarthElsewhere
560736%Brown County 56%; Nicollet County 38%
5604824%Waseca County 76%
5606229%Watonwan County 64%; Brown County 7%
5606360%Le Sueur County 34%; Waseca County 6%
5606597%Faribault County 2%
560888%Martin County 68%; Watonwan County 24%
5605010%Le Sueur County 90%
5606841%Faribault County 33%; Waseca County 26%
560411%Brown County 99%
5607850%Waseca County 50%
560606%Watonwan County 94%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

PO Box and single-organization ZIP codes

ZIP codes in Blue Earth County without a residential area (GeoNames postal codes)
ZIPPostal name
56002Mankato

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Blue Earth County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Blue Earth County starts with 560.

Three-digit prefixes of Blue Earth County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Blue Earth County's
PrefixSectional centerHereAll codes
560 Mankato, MN (SCF 560) 20 74

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.